Alamo climate

Alamo Weather in July

NOAA 1991-2020 normals for Mt Diablo Junction, 9.5 km from Alamo

Average highs run from 81°F on July 1 to 83°F on July 31, and lows from 60°F to 62°F. Normal precipitation for the month is 0.01 in over about 0 wet days.

July day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Alamo, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

July at a glance

Average high
83°F
Average low
62°F
Precipitation
0.01 in
Record high
112°FJul 22, 2006
Record low
49°FJul 18, 1999
Chance of a freeze
0%
Days of 90°F or more
7.5
Daylight
14 h 44 min to 14 h 07 min
Cloud cover
14%
Humidity
60%
Dew point
51°F
Wind
11.4 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
Jul 181°F60°F105°F 202354°F 20102%0%
Jul 281°F60°F107°F 202453°F 20032%0%
Jul 381°F60°F107°F 202452°F 20032%0%
Jul 481°F60°F104°F 200753°F 19992%0%
Jul 581°F60°F103°F 200752°F 20142%0%
Jul 682°F61°F105°F 202453°F 20092%0%
Jul 782°F61°F107°F 201753°F 20032%0%
Jul 882°F61°F108°F 200853°F 20132%0%
Jul 982°F61°F105°F 200253°F 19992%0%
Jul 1082°F61°F107°F 200253°F 20122%0%
Jul 1182°F62°F108°F 202453°F 20132%0%
Jul 1283°F62°F106°F 199954°F 20042%0%
Jul 1383°F62°F99°F 200554°F 20122%0%
Jul 1483°F62°F102°F 200953°F 20132%0%
Jul 1583°F62°F102°F 201752°F 20132%0%
Jul 1683°F62°F105°F 201755°F 19992%0%
Jul 1783°F62°F106°F 200654°F 19992%0%
Jul 1883°F62°F103°F 200349°F 19992%0%
Jul 1983°F62°F104°F 202453°F 20132%0%
Jul 2083°F62°F100°F 200654°F 20081%0%
Jul 2183°F62°F106°F 200654°F 20101%0%
Jul 2283°F62°F112°F 200652°F 20081%0%
Jul 2383°F62°F112°F 200655°F 19991%0%
Jul 2483°F62°F109°F 200655°F 20091%0%
Jul 2583°F62°F108°F 200654°F 20091%0%
Jul 2683°F62°F103°F 201654°F 19991%0%
Jul 2783°F62°F103°F 201654°F 20011%0%
Jul 2883°F62°F102°F 201553°F 20011%0%
Jul 2983°F62°F103°F 201553°F 20101%0%
Jul 3083°F62°F96°F 200054°F 20101%0%
Jul 3183°F62°F103°F 200054°F 20131%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Alamo, in percent, and of at least 0.1 inch of snowfall.00.511.522.51102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (PDT).

July 1
sunrise 5:50 AM, sunset 8:34 PM
July 31
sunrise 6:11 AM, sunset 8:18 PM

Every day of July: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00045915 (Mt Diablo Junction), public domain. Records: NOAA GHCN-Daily, station USW00023254, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.